144 строки
5.3 KiB
C
144 строки
5.3 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef MCA_BTL_GM_FRAG_H
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#define MCA_BTL_GM_FRAG_H
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#define MCA_BTL_GM_FRAG_ALIGN (8)
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#include "ompi_config.h"
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#include "btl_gm.h"
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#include "ompi/mca/btl/base/btl_base_error.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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typedef enum {
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MCA_BTL_GM_EAGER,
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MCA_BTL_GM_SEND,
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MCA_BTL_GM_PUT,
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MCA_BTL_GM_GET
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} mca_btl_gm_frag_type_t;
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/**
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* GM send fragment derived type.
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*/
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struct mca_btl_gm_frag_t {
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mca_btl_base_descriptor_t base;
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mca_btl_base_segment_t segment;
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struct mca_btl_gm_module_t* btl;
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struct mca_btl_base_endpoint_t *endpoint;
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struct mca_mpool_base_registration_t* registration;
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mca_btl_base_header_t *hdr;
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size_t size;
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enum gm_priority priority;
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mca_btl_gm_frag_type_t type;
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};
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typedef struct mca_btl_gm_frag_t mca_btl_gm_frag_t;
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OBJ_CLASS_DECLARATION(mca_btl_gm_frag_t);
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typedef struct mca_btl_gm_frag_t mca_btl_gm_frag_eager_t;
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OBJ_CLASS_DECLARATION(mca_btl_gm_frag_eager_t);
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typedef struct mca_btl_gm_frag_t mca_btl_gm_frag_max_t;
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OBJ_CLASS_DECLARATION(mca_btl_gm_frag_max_t);
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typedef struct mca_btl_gm_frag_t mca_btl_gm_frag_user_t;
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OBJ_CLASS_DECLARATION(mca_btl_gm_frag_user_t);
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/*
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* Macros to allocate/return descriptors from module specific
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* free list(s).
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*/
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#define MCA_BTL_GM_FRAG_ALLOC_EAGER(btl, frag, rc) \
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{ \
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\
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ompi_free_list_item_t *item; \
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OMPI_FREE_LIST_GET(&((mca_btl_gm_module_t*)btl)->gm_frag_eager, item, rc); \
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frag = (mca_btl_gm_frag_t*) item; \
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}
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#define MCA_BTL_GM_FRAG_ALLOC_MAX(btl, frag, rc) \
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{ \
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\
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ompi_free_list_item_t *item; \
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OMPI_FREE_LIST_GET(&((mca_btl_gm_module_t*)btl)->gm_frag_max, item, rc); \
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frag = (mca_btl_gm_frag_t*) item; \
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}
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#define MCA_BTL_GM_FRAG_ALLOC_USER(btl, frag, rc) \
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{ \
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ompi_free_list_item_t *item; \
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OMPI_FREE_LIST_GET(&((mca_btl_gm_module_t*)btl)->gm_frag_user, item, rc); \
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frag = (mca_btl_gm_frag_t*) item; \
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}
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#define MCA_BTL_GM_FRAG_RETURN(btl, frag) \
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do { \
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ompi_free_list_t* mylist = NULL; \
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mca_btl_gm_module_t* btl_gm = (mca_btl_gm_module_t*) btl; \
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mca_btl_gm_frag_t* frag_gm = (mca_btl_gm_frag_t*) frag; \
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switch(frag_gm->type) { \
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case MCA_BTL_GM_EAGER: \
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mylist = &btl_gm->gm_frag_eager; \
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break; \
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case MCA_BTL_GM_SEND: \
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mylist = &btl_gm->gm_frag_max; \
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break; \
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case MCA_BTL_GM_PUT: \
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case MCA_BTL_GM_GET: \
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mylist = &btl_gm->gm_frag_user; \
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break; \
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default: \
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BTL_ERROR(("Unknown frag type\n")); \
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break; \
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} \
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OMPI_FREE_LIST_RETURN(mylist, \
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(ompi_free_list_item_t*)(frag)); \
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} while (0);
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/* called with mca_btl_gm_component.gm_lock held */
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#define MCA_BTL_GM_FRAG_POST(btl,frag) \
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do { \
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if(opal_list_get_size(&btl->gm_repost) < (size_t)btl->gm_num_repost) { \
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opal_list_append(&btl->gm_repost, (opal_list_item_t*)frag); \
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} else { \
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do { \
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gm_provide_receive_buffer(btl->port, frag->hdr, frag->size, frag->priority); \
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} while (NULL != (frag = (mca_btl_gm_frag_t*)opal_list_remove_first(&btl->gm_repost))); \
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} \
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} while(0)
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif
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